diff options
4 files changed, 11 insertions, 5 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index facd723bc5..f5542c6d25 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,3 +1,7 @@ +* Make the order of `Hash#reverse_merge!` consistent with `HashWithIndifferentAccess`. + + *Erol Fornoles* + * Add `freeze_time` helper which freezes time to `Time.now` in tests. *Prathamesh Sonpatki* diff --git a/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb b/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb index da53c29aa0..ef8d592829 100644 --- a/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb +++ b/activesupport/lib/active_support/core_ext/hash/reverse_merge.rb @@ -18,8 +18,7 @@ class Hash # Destructive +reverse_merge+. def reverse_merge!(other_hash) - # right wins if there is no left - merge!(other_hash) { |key, left, right| left } + replace(reverse_merge(other_hash)) end alias_method :reverse_update, :reverse_merge! alias_method :with_defaults!, :reverse_merge! diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb index 7792b59abf..4ce5b4534e 100644 --- a/activesupport/lib/active_support/hash_with_indifferent_access.rb +++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb @@ -244,7 +244,7 @@ module ActiveSupport # Same semantics as +reverse_merge+ but modifies the receiver in-place. def reverse_merge!(other_hash) - replace(reverse_merge(other_hash)) + super(self.class.new(other_hash)) end alias_method :with_defaults!, :reverse_merge! diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index c537fb86fe..746d7ad416 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -302,9 +302,9 @@ class HashExtTest < ActiveSupport::TestCase end def test_reverse_merge - defaults = { a: "x", b: "y", c: 10 }.freeze + defaults = { d: 0, a: "x", b: "y", c: 10 }.freeze options = { a: 1, b: 2 } - expected = { a: 1, b: 2, c: 10 } + expected = { d: 0, a: 1, b: 2, c: 10 } # Should merge defaults into options, creating a new hash. assert_equal expected, options.reverse_merge(defaults) @@ -315,6 +315,9 @@ class HashExtTest < ActiveSupport::TestCase assert_equal expected, merged.reverse_merge!(defaults) assert_equal expected, merged + # Make the order consistent with the non-overwriting reverse merge. + assert_equal expected.keys, merged.keys + # Should be an alias for reverse_merge! merged = options.dup assert_equal expected, merged.reverse_update(defaults) |